atmosphere, excessive ground-level ozone is tied directly to health. Summer ozone pollution is becoming...地面臭氧Ozone has overtaken PM2.5 as the top *pollutant in Beijing in recent days, the capital ……

臭氧污染ozone pollutionOzone, alongside PM2.5, has become a major air pollutant in Chinese cities, says a Ministry of Environmental Protection report released on July 31. Although ozone ……

; and the respected British group on transboundary air pollution reported rising levels of worldwide ozone... Environmentalist," launched to much fanfare, maintained that pollution was less than feared and nature ……

quickly and ozone," said Frank Princiotta, director of the EPA's Air Pollution Prevention and Control... when air-fresheners react with ozone, researchers at the US Environmental Protection Agency (EPA) have ……

it is because it’s so far away. But did you know that we have a thin2 shield3. We call it the ozone layer (臭氧层). It is made up of ozone gas. It is like a big coat for the Earth. It stops most of the sun ……

Air pollution is *contamination of the indoor or outdoor environment by any chemical, physical... *particulate matter such as PM2.5, carbon *monoxide, *ozone, nitrogen *dioxide, and *sulfur dioxide ……

the Earth, including climate change, loss of *species, deforestation and pollution. But it also says that freshwater use and *ozone levels are within safe range.注意zone与area的区别。Zone一般指“特定用途的区域”，如war ……

. Ocean pollution has become serious. Since 1992, the human population has grown by 2 billion, while... people are facing. It’s getting harder to get fresh water. Ocean pollution has become serious. Since ……

Air pollution makes it hard for insects to find their food.  QIANTUAir pollution makes it hard... of Reading, UK. Their study found that air pollution is harmful (有害的) to pollinators (传花粉者) &ndash ……

Cities in China are stepping up the fight against air pollution. CFPCities in China are stepping up the fight against air pollution. CFP雾霾治理出新规，治污取暖两不误。词数 360   建议阅读时间 6分钟  雾霾 ……

.But this is not the only problem people are facing. It’s getting harder to get fresh water. Ocean pollution has....However, we have made some progress by making the hole in the ozone layer (臭氧层) smaller. That’s because we ……

PARIS -- Firework sparklers have the surprising ability to create ozone, Indian scientists reported last week.Ozone, a three-atom molecule of oxygen, usually results from a reaction between ……

contribute to the destruction of the upper-level ozone, scientists confirmed in last week's issue of Geophysical Research Letters.The ozone layer is also depleted by human industrial activity, especially ……

. This has resulted in many environmental and health problems. Urban air pollution, acid rain, contamination by toxic chemicals, depletion of the stratospheric ozone layer and changes in the global ……

Association. It also got the top spot for heaviest traffic. But the notorious problem of air pollution... that ozone caused by car exhaust *fumes was the real reason. The city’s high number of cars ……